I wonder whether buying an electric car ____ a good idea. A. be B. am C. is D. are
2022-11-30 15:40:39 49次 2016届上海杨浦区九年级上期末质量调研英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I wonder whether buying an electric car ____ a good idea.
A. be B. am C. is D. are
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